Patents by Inventor Shawn Riesgraf

Shawn Riesgraf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250002862
    Abstract: Provided herein are methods and compositions relating to at least partially recellularized human organs. Various methods of decellularizing non-human animal organs and recellularizing a non-human animal extracellular matrix with cell compositions. Further provided are compositions and methods for treating a liver or other disease (such as acute liver failure) using an extracorporeal bioengineered liver or other organ.
    Type: Application
    Filed: June 28, 2024
    Publication date: January 2, 2025
    Inventors: Jeff J. ROSS, Christopher J. FECTEAU, John J. BARRY, Shawn RIESGRAF, Isaac BERGSTROM
  • Publication number: 20240415111
    Abstract: A system (200) for growing or supporting an organ (50), in particular a biologically engineered organ, comprises: an enclosure (202); a perfusate circuit: a perfusate pump (206); a gas transfer unit (208) and a optionally a gas mixture unit connected to the gas transfer unit; one or more sensors (212a, 212b); an injection system (216) configured to inject nutrients; and a controller (214). The controller can be configured to operate the pump, the gas transfer unit, and the injection system based on sensor signals from the sensor(s) to grow or support the organ in an automated or semi-automated fashion.
    Type: Application
    Filed: October 18, 2021
    Publication date: December 19, 2024
    Inventors: Aleksandr Katane, Aron Stumbras, Dmitrii Pokhill, Shawn Riesgraf
  • Publication number: 20220280695
    Abstract: The disclosure provides for methods of sealing of decellularized and recellularized engineered organ grafts, thereby providing a reinforced (fortified) decellularized and recellularized engineered organ graft.
    Type: Application
    Filed: August 19, 2020
    Publication date: September 8, 2022
    Inventors: Aleksandr Katane, Jeffrey Ross, Dominique Davidow, Shawn Riesgraf